Colour

#170C10

#170C10
Red
Dark
Nearest: Black

#170C10 is a red with RGB values 23, 12, 16 and HSL 338°, 31%, 7%. It is a dark colour, so white text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#170C10#170C10

HEX#170C10

RGBrgb(23, 12, 16)

RGB (0–1)0.0902, 0.0471, 0.0627

RGB percentages9%, 4.7%, 6.3%

HSLhsl(338.2, 31.4%, 6.9%)

HSV / HSBhsv(338.2, 47.8%, 9%)

CMYK0%, 47.8%, 30.4%, 91%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,510,416

CSS custom property--colour: #170C10;

Brightness & contrast

Relative luminance0.00483WCAG 2.x, 0 is black and 1 is white

Perceived brightness16.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.15:1

Contrast with white19.15:1WCAG normal text: AAA

Contrast with black1.1:1WCAG normal text: Fail

Greyscale equivalent#0F0F0F

Inverted#E8F3EF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0D0E10no red cones; affects about 1% of men; ΔE 4.9 from the original

Deuteranopia#101010no green cones; the most common form, about 1% of men; ΔE 4.9 from the original

Tritanopia#190C0Dno blue cones; rare, and affects men and women equally; ΔE 1.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.15:1WCAG large text: AAA

Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Black · ΔE 6.6 Dark slate grey · ΔE 31.8 Dim grey · ΔE 40.4 Gray · ΔE 49.5 Slate grey · ΔE 50 Light slate grey · ΔE 53.1

Nearest named CSS colourBlack (#000000)ΔE 6.57, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#0C1713

Analogous#170C15, #170E0C

Triadic#10170C, #0C1017

Split complementary#0C170E, #0C1517

Tetradic#16170C, #0C1713, #0E0C17

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#9D526D

Lighter +30%#7C4056

Lighter +20%#5A2F3F

Lighter +10%#391D27

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1B080F

Less saturated −25%#131011

Channel breakdown

R23

G12

B16

Red23 (9%)

Green12 (4.7%)

Blue16 (6.3%)

Hue338.18°

Saturation (HSL)31.43%

Lightness6.86%

Dominant channelRed

Hex per channelR 17 · G 0C · B 10

Keep nerding

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#170C10

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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